From ebc099e1ff9e35cf080f9f97cb4afb8b70d0c539 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=B1=E7=9C=A0=E4=BB=AA=E5=BC=8F?= <854085467@qq.com>
Date: Mon, 24 Aug 2020 17:02:00 +0800
Subject: [PATCH] =?UTF-8?q?=E8=8F=9C=E5=8D=95=E9=81=AE=E7=9B=96=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98?=
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---
 component/pear/module/menu.js | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/component/pear/module/menu.js b/component/pear/module/menu.js
index a20d3a8..97f0801 100644
--- a/component/pear/module/menu.js
+++ b/component/pear/module/menu.js
@@ -361,7 +361,19 @@ layui.define(['table', 'jquery', 'element'], function(exports) {
 		if (b) {
 			$("#" + option.elem + ".pear-nav-mini .layui-nav-item,#" + option.elem + ".pear-nav-mini dd").hover(function() {
 				$(this).children(".layui-nav-child").addClass("layui-nav-hover");
+				
 				var top = $(this).offset().top + 5;
+				var y = window.document.body.clientHeight;
+				
+				var height = $(window).height();
+				
+				var topLength = $(this).offset().top;
+				
+				var thisHeight = $(this).children(".layui-nav-child").height();
+				
+				if((thisHeight+topLength)>height){
+				      topLength = height-thisHeight-10;	
+				}
 				if (!$(this).is(".layui-nav-item")) {
 					var left = $(this).offset().left + 132;
 					$(this).children(".layui-nav-child").offset({
@@ -374,7 +386,7 @@ layui.define(['table', 'jquery', 'element'], function(exports) {
 					});
 				}
 				$(this).children(".layui-nav-child").offset({
-					top: top
+					top: topLength
 				});
 			}, function() {
 				$(this).children(".layui-nav-child").removeClass("layui-nav-hover");